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Finding the Fourth Proportional to 481,215.88, 664,060.98 and 266,356.36

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Solution

The fourth proportional to 481,215.88, 664,060.98 and 266,356.36 is: 367,562.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,215.88 : 664,060.98 = 266,356.36 : x
  2. Step 2: Convert to fraction form
    481,215.88/664,060.98 = 266,356.36/x
  3. Step 3: Cross multiply
    481,215.88x = 664,060.98 × 266,356.36
  4. Step 4: Simplify right side
    481,215.88x = 176,876,865,450.83
  5. Step 5: Solve for x
    x = 176,876,865,450.83/481,215.88
  6. Step 6: Final answer
    x = 367,562.40

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.